薛兆丰经济学讲义 · highlighted by fengyukongzhou

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薛兆丰

在经济学里，优质的第一层含义是指匀质。换言之，不是说厂商能把产品的品质做到多好，而是说产品的品质要维持一个稳定的水平。同一批产品当中，一件产品的品质，跟另外一件产品品质之间的差距不能大，而且差距越小越好。

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